Table 1.
Macronutrient composition in g/100 g dry weight and colour of raw (R in abbreviation) and ethanol treated (T in abbreviation) microalgae (Tetraselmis chui, Chlorella vulgaris and Microchloropsis gaditana) samples and wheat flour.
| Wheat Flour | TcR | TcT | CvR | CvT | MgR | MgT | |
|---|---|---|---|---|---|---|---|
| Protein | 13.5 ± 0.3 | 42.1 ± 0.1 | 59.5 ± 0.2 | 47.8 ± 1.1 | 58.8 ± 0.3 | 43.3 ± 1.5 | 61.7 ± 2.8 |
| Free amino acids | n.a. | 5.4 | 2.9 | 3.3 | 0.8 | 3.7 | 0.4 |
| Fat | 2.3 + | 13.8 | 0.3 | 15.7 | 0.6 | 21.6 | 0.4 |
| Dietary fibre | 3.8 + | 8.9 ± 0.8 | 15.1 ± 2.2 | 13.8 ± 0.5 | 19.0 ± 0.6 | 12.2 ± 0.6 | 21.8 ± 0.8 |
| Ash | 0.6–0.75 + | 16.0 ± 0.1 | 16.7 ± 0.1 | 6.7 ± 0.6 | 8.2 ± 0.0 | 7.0 ± 1.1 | 7.4 ± 0.1 |
| L* | 92.3 ± 0.1 | 20.9 ± 1.3 | 51.6 ± 3.4 | 12.9 ± 1.0 | 48.3 ± 3.6 | 22.7 ± 0.6 | 58.0 ± 0.9 |
| a* | 0.48 ± 0.1 | −10.1 ± 1.0 | −5.6 ± 0.2 | −1.3 ± 0.4 | 6.6 ± 0.5 | −4.4 ± 0.1 | 3.6 ± 0.3 |
| b* | 10.8 ± 0.3 | 15.4 ± 1.9 | 17.6 ± 0.7 | 17.0 ± 0.6 | 23.6 ± 0.9 | 10.2 ± 0.4 | 29.3 ± 0.4 |
| ∆E (compared to wheat flour) | 72.2 | 41.6 | 79.6 | 46.4 | 70.1 | 39.2 |
+ Values taken from product data sheet. n.a. = not available.